Eastern United States
When it comes to understanding the weather and planning your U.S. road trip, a picture is worth a thousand words. The following table shows average temperatures for Boston (Massachusetts), along with monthly precipitation (rain/snow). |
Read our article on "When should I visit?" for more information.
- Very Favourable
- Favourable
- Unfavourable
Month | Average temperature min (°C) |
Average temperature max (°C) |
Precipitations (mm) |
Overall score |
---|---|---|---|---|
January | -6 | 3 | 94 | |
February | -5 | 4 | 84 | |
March | -1 | 9 | 106 | |
April | 5 | 14 | 97 | |
May | 10 | 20 | 88 | |
June | 15 | 25 | 92 | |
July | 19 | 28 | 86 | |
August | 18 | 27 | 87 | |
September | 14 | 23 | 86 | |
October | 8 | 18 | 96 | |
November | 4 | 12 | 88 | |
December | -3 | 6 | 93 |
Of course, the Eastern U.S. is a large area and there can be significant differences from one place to another.
Western United States
Here is a climate table for the city of San Francisco, California, USA. |
Read our article on "When should I visit?" for more information.
- Very Favourable
- Favourable
- Unfavourable
Month | Average temperature min (°C) |
Average temperature max (°C) |
Precipitations (mm) |
Overall score |
---|---|---|---|---|
January | 8 | 15 | 86 | |
February | 9 | 17 | 84 | |
March | 10 | 18 | 90 | |
April | 11 | 20 | 36 | |
May | 12 | 21 | 32 | |
June | 13 | 23 | 39 | |
July | 14 | 23 | 36 | |
August | 14 | 23 | 36 | |
September | 15 | 24 | 30 | |
October | 14 | 23 | 33 | |
November | 11 | 18 | 60 | |
December | 8 | 15 | 74 |
Climate and weather in the Western U.S. change a great deal from one place to another, depending on whether you are in a desert region.
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